Introducing Little Insomniac
Keep your computer awake
A minimal anti-sleep app for Mac, Windows, and Linux that prevents your computer from sleeping, dimming, or activating the screensaver
Screen can sleep
Click to keep your screen awake
Try it now - works right in your browser
Trusted by professionals worldwide
See Little Insomniac in action
Simple, lightweight, and effective anti-sleep technology
Built for people who work
Whether you're downloading files, running scripts, or presenting to clients
Complete downloads without interruptions
Keep large file transfers and software updates running without your computer falling asleep mid-process. Never wake up to a failed overnight download again.
Present to clients without distractions
Presenting to clients or leading a meeting? Little Insomniac ensures your screen stays on without awkward interruptions from screensavers or sleep mode.
Run scripts and builds overnight
Developers and data scientists can run long-running processes, builds, and scripts without worrying about the system going to sleep halfway through.
Simple yet powerful
Everything you need to keep your computer awake, nothing you don't
Lightweight
Uses minimal system resources so you won't even notice it's running.
Cross-platform
Works seamlessly on Mac, Windows, and Linux with native performance.
Set and forget
Configure once and let it run in the background automatically.
Loved by thousands
See why professionals trust Little Insomniac for their productivity
Finally, my overnight renders complete without waking up to a sleeping Mac. Game changer!
As a developer, I run builds that take hours. Little Insomniac keeps everything running smoothly.
Perfect for my live streams. No more embarrassing screen timeouts during broadcasts.
500K+
Downloads
Across all platforms
3
Platforms
Mac, Windows, Linux
4.8
Average Rating
24/7
Always Running
When you need it
Ready to keep your computer awake?
Download Little Insomniac for free and never worry about your computer sleeping at the wrong time again